LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

? Havin some troubling engine problems?

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Old Dec 9, 2003 | 09:56 PM
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? Havin some troubling engine problems?

well, this just started yesterday.........

when starting out in first gear, there is a definitie hesitation till about 2500 rpms, when the clutch grabs, the car just barely chugs along, oil pressure drops to like 5 then doesnt really pick back up to 40 for a couple seconds, maybe 2000 rpm. also it seems to literally shake just a little bit all through the rest of the rpm range, and REALLY is lacking power....... tires cant even break loose in first gear when flooring it (this is with a hotcam\ported head M6, with a street twin and 3.73's). when i first started it up this morning there was a slight squeeking noise coming from the engine compartment, it got faster as i started to drive, but soon faded away.

Im not quite sure what to think. It kind of seems like simply ignition troubles like opti related or something, but then again it seems wierd for it to be so rough, and shake like it does. the engine does have the LT1 oil pressure problem (losing oil pressure at high rpms, mine drops down to 5-15 psi under hard acceleration past 3500 rpm.)

any thoughts?

thanks,
Ryan
Old Dec 9, 2003 | 11:30 PM
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ttt
Old Dec 10, 2003 | 11:55 AM
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